Graco 17H840 Pump repair kit

Graco 17H840 Pump Repair Kit – Genuine OEM QuikPak cartridge for Endurance Vortex MaxLife pumps.
Compatible with GMAX II 7900 Standard, ProContractor, and Lo-Boy models (2014+).
Includes essential seals and packings to restore pressure and pump efficiency.
Pre-assembled and pre-oiled for quick, clean installation.
Delivers long-lasting performance, durability, and reduced downtime.

Retail Price: $277.5

You save: $86.71 (31.25%)

Our Price: $190.79

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Description

Graco 17H840 Pump Repair Kit - Overview & Compatibility

Compatible Machines

This QuikPak cartridge-style kit services the Endurance Vortex MaxLife piston pump used on the following sprayers (model years ~2014 and newer unless otherwise noted):

Graco GMAX II 7900 — Standard Series (2014+)
Graco GMAX II 7900 ProContractor (2014+)
Graco GMAX II 7900 Lo-Boy (where equipped with the Endurance Vortex MaxLife Pump)

What is the Graco 17H840?

Graco 17H840 Pump Repair Kit is a factory QuikPak (pre-oiled, cartridge-style) packing kit that lets you repack your pump in minutes. It renews critical sealing components packings, seals, and O-rings restoring prime, pressure, and long-life performance on compatible sprayers.

Pre-assembled QuikPak cartridge for faster, cleaner installs
Built for the Endurance Vortex MaxLife piston pump platform
Minimizes downtime; consistent factory fit and sealing
Reduces leakage and pressure fluctuations caused by worn packings

Key Specifications

Part Number	17H840
Kit Type	QuikPak (cartridge-style pump packing kit)
Pump Family	Endurance Vortex MaxLife piston pump
Typical Use	Repacking / renewing pump sealing components
Install Time	Typically minutes with basic hand tools
Fits Pump (reference)	Associated with GMAX II 7900 pump assemblies (e.g., 2014+ variants)

What’s Included

Pre-oiled QuikPak packing cartridge
Associated seals and O-rings for the packing stack
Basic install guidance (refer to your sprayer’s parts manual for torque and sequence)

Installation & Usage Notes

Relieve pressure and follow lock-out procedures before service.
Inspect piston/rod for scoring; replace worn hard parts to protect new packings.
Lubricate as specified; re-torque per manual to avoid leaks or premature wear.
After installation, prime with compatible fluid and verify pressure/prime hold.

Frequently Asked Questions

Check that your unit is a GMAX II 7900 (Standard/ProContractor/Lo-Boy) equipped with an Endurance Vortex MaxLife pump (generally 2014+). Cross-check with your serial number and parts manual for final confirmation.

QuikPak arrives pre-assembled and pre-oiled, reducing install time, mess, and stack-up errors. It helps ensure factory correct compression and sealing for longer service life.

No special tools are typically required—basic hand tools and adherence to your sprayer’s service procedure are sufficient. Always depressurize and follow safety instructions.

Worn packings commonly cause leakage and pressure fluctuations. Repacking with 17H840 often restores performance; however, also inspect piston/rod and check valves for wear.